Though you might have expected this to be the case, it seems to be quite a surprising admission to make.

It comes as part of Apple’s new drive to show off its green credentials.

Apple are showing off their green credentials (Picture: Getty)

‘Years of use, which are based on first owners, are assumed to be four years for OS X and tvOS devices and three years for iOS and watchOS devices,’ Apple said on the ‘environment’ section of the website.